Welsbach
burner韦耳斯拔煤气喷嘴
🗣️ 情景例句
We should revise our protectionist practices in trade, and promote free trade and competition.
我们应该修改我们的贸易保护主义做法，推广自由贸易和竞争。
I've forgotten what he said his address was.
我忘记了他说他的地址是什么。
I knew that my turn had come.
我知道这次该轮到我了。